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#include "stringList.h"
#include <stdio.h>
#include <iostream>
//Constructor
stringList::stringList()
{
//initilize everything to empty
m_size = 0;
m_listStart = NULL;
m_listEnd = NULL;
}
//retrieve list size
int stringList::getSize()
{
return m_size;
}
//retrieve pointer to list start
stringListPiece* stringList::getListStart()
{
return m_listStart;
}
//retrieve point to list end
stringListPiece* stringList::getListEnd()
{
return m_listEnd;
}
//add string to end of the list
//initilize list starting point if this is the first entry
//increment list size count
int stringList::add(stringListPiece* newString)
{
if(m_listStart==NULL)
m_listStart=newString;
else
m_listEnd->nextString = newString;
m_listEnd = newString;
m_listEnd->nextString = NULL;
return m_size++;
}
bool stringList::remove(int index)
{
if(index >= m_size ) return false;
stringListPiece* m_remove;
stringListPiece* currentPiece;
if(m_size == 1) {
m_remove = m_listStart;
m_listStart = NULL;
m_listEnd = NULL;
} else {
if(index == 0) {
m_remove = m_listStart;
m_listStart = m_remove->nextString;
} else if(index == m_size - 1) {
m_remove = m_listEnd;
currentPiece = m_listStart;
for(int i=1; i<m_size-1; i++)
{
currentPiece = currentPiece->nextString;
}
currentPiece->nextString = NULL;
m_listEnd = currentPiece;
} else {
currentPiece = m_listStart;
for(int i=1; i<=index-1; i++)
{
currentPiece = currentPiece->nextString;
}
m_remove = currentPiece->nextString;
currentPiece->nextString = m_remove->nextString;
}
}
delete m_remove;
m_size -= 1;
return true;
}
//print out all the Decuda Instructions in the list
void stringList::printStringList()
{
stringListPiece* currentPiece = m_listStart;
for(int i=0; (i<m_size)&&(currentPiece!=NULL); i++)
{
std::cout << currentPiece->stringText << " ";
currentPiece = currentPiece->nextString;
}
}
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